García-Gasca, A., R.I. Ochoa-Baez y M. Betancourt. 1994. Microscopic Anatomy of the Mantle of the Pearl Oyster Pinctada mazatlanica (Hanley, 1856). J. Shellfish Res.,13(1): 85-91

Betancourt-Lozano, M., F. González-Farías; B. González-Acosta; A. García Gasca y R. Bastida-Zabala. 1998. Variation of the antimicrobial activity of the sponge Aplysina fistularis (Porifera: Aplysinidae).  J. Exp. Mar. Biol. and Ecol., 223:1-18.

Roque A., D.J. S. Abad, M.  Betancourt-Lozano, C. Chavez, B. Gomez-Gil, A.L. Guerra-Flores, y F. Vargas-Albores. 2002. Evaluation of the susceptibility of the shrimp Litopenaeus vannamei to vibriosis when exposed to agricultural pesticides. Diseases in Asian Aquaculture IV (memorias en extenso). 87-91.

Fajer-Ávila E., I. Abdo de la Parra , G. Aguilar-Zarate, R. Contreras-Arce, J. Zaldívar- Ramirez, and M. Betancourt-Lozano. 2003. Toxicity of formalin to bullseye puffer fish (Sphoeroides annulatus Jenyns, 1843) and its effectiveness against ectoparasites. Aquaculture, 223: 41-50.

Roque A., Abad S., Garcia de la Parra L.M., Baird D., Guerra-Flores AL, Gomez-Gil B., Betancourt-Lozano M. 2005. Evaluation of the susceptibility of the cultured shrimp Litopenaeus vannamei to vibriosis when orally exposed to methyl parathion. Chemosphere 60: 126–134.

Comoglio, L., O. Amin, A. Roque, M. Betancourt-Lozano, D. Anguas, and M. Haro. 2005.  Evaluation of sublethal biomarkers in Litopenaeus vannamei on foodborne exposure to methyl parathion. Ecotoxicology and Environmental Safety. 62: 66-74.

Betancourt-Lozano M., D. J. Baird, R.S. Sangha, and F. González-Farias. 2006. Induction of morphological deformities and moulting alterations in Litopenaeus vannamei (Boone) juveniles exposed to the triazole-derivative fungicide Tilt. Archives of Environmental Contamination and Toxicology. 51: 69-78.

García-de la Parra L.M., Bautista-Covarrubias J.C., Rivera-de la Rosa N., Betancourt-Lozano M. and Guilhermino L. 2006. Effects of methamidophos on AChE activity, behavior and feeding rate of the white shrimp (Litopenaeus vannamei). Ecotoxicology and Environmental Safety. 65: 372-380.

Fajer-Ávila E.J., A. García-Vásquez, H. Plascencia-González, J. Ríos-Sicairos, L.M. García-de la Parra, M. Betancourt-Lozano. 2006. Copepods and larvae of nematodes parasiting the white mullet Mugil curema (Valenciennes, 1836): indicators of anthropogenic impacts in tropical coastal lagoons? Environmental Monitoring and Assessment. 122: 221-237.

Fajer-Ávila, E. J., Velásquez- Medina, S. P. and Betancourt-Lozano. 2007. M. Effectiveness of treatments against eggs, and adults of Haliotrema sp. and Euryhaliotrema sp. (Monogenea: Ancyrocephalinae) infecting red snapper, Lutjanus guttatus. Aquaculture. 264: 66-72.

García-Hernández, J., L. Cadena-Cárdenas, M. Betancourt-Lozano, L. M. García-de-la-Parra, L. García-Rico, and F. Márquez-Farías. 2007. Total mercury content found in edible tissues of top predator fish from the Gulf of California, Mexico. Toxicological & Environmental Chemistry. 89(3): 507-522.

Vanegas-Pérez C., G. Gaxiola-Cortez, C. Robles-Mendoza, S. Zúñiga-Lagunas y M. Betancourt Lozano. 2008. Ensayo de Toxicidad Aguda con Camarones Peneidos. En: P. Ramírez-Romero y A. Mendoza-Cantú (compiladoras). Ensayos toxicológicos para la evaluación de sustancias químicas en agua y suelo. La experiencia en México. Secretaría de Medio Ambiente y Recursos Naturales, Instituto Nacional de Ecología. 169-190.

Fajer-Ávila, E.J., I. Martínez-Rodríguez, M.I. Abdo de la Parra, L. Álvarez-Lajonchere y M. Betancourt-Lozano. Effectiveness of fresh water treatment against Lepeophtheirus simplex (Copepoda: Caligidae) and Neobenedenia sp. (Monogenea: Capsalidae), skin parasites of bullseye puffer fish, Sphoeroides annulatus reared in tanks. En prensa.